unforeseeable
un-for-see-a-ble
adjective
Impossible to predict or know about beforehand; not expected to happen.
"The sudden closure was an unforeseeable problem."
Thesaurus
Synonyms: unpredictable
un-for-see-a-ble
Impossible to predict or know about beforehand; not expected to happen.
"The sudden closure was an unforeseeable problem."
Synonyms: unpredictable